*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:#0f172a;color:#e2e8f0;
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  line-height:1.75;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -8%,rgba(34,197,94,.16),transparent 62%),
    radial-gradient(820px 480px at 88% 4%,rgba(6,182,212,.16),transparent 60%),
    radial-gradient(760px 520px at 50% 108%,rgba(34,197,94,.10),transparent 65%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1180px,92%);margin:0 auto}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(15,23,42,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(34,197,94,.22);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0;flex-wrap:wrap}
.brand-mark{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.06em}
.brand-dot{
  width:14px;height:14px;border-radius:50%;
  background:linear-gradient(135deg,#22c55e,#06b6d4);
  box-shadow:0 0 16px rgba(34,197,94,.85);
}
.brand-mark span.sub{display:block;font-size:11px;font-weight:400;letter-spacing:.22em;color:#7dd3a8}
.nav-links{display:flex;flex-wrap:wrap;gap:6px 4px}
.nav-links a{
  padding:8px 14px;border-radius:999px;font-size:14px;color:#cbd5e1;
  border:1px solid transparent;transition:.25s;
}
.nav-links a:hover{color:#e2e8f0;border-color:rgba(6,182,212,.55);background:rgba(6,182,212,.10)}

/* 通用区块 */
section{padding:74px 0;position:relative}
.section-head{max-width:760px;margin-bottom:38px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.26em;text-transform:uppercase;
  color:#22c55e;border:1px solid rgba(34,197,94,.42);border-radius:999px;
  padding:4px 14px;margin-bottom:14px;background:rgba(34,197,94,.07);
}
h2{font-size:clamp(22px,3vw,32px);line-height:1.32;letter-spacing:.01em;margin-bottom:12px;font-weight:700}
.section-head p{color:#94a3b8;font-size:15px}

/* 极光渐变卡片 */
.card{
  position:relative;border-radius:18px;padding:26px;
  background:linear-gradient(#101d34,#101d34) padding-box,
             linear-gradient(135deg,rgba(34,197,94,.72),rgba(6,182,212,.72)) border-box;
  border:1px solid transparent;
  box-shadow:0 0 26px rgba(6,182,212,.09);
  transition:transform .3s ease,box-shadow .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 0 38px rgba(34,197,94,.24)}

/* Hero */
#hero{padding:66px 0 54px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
h1{
  font-size:clamp(26px,4vw,44px);line-height:1.24;font-weight:800;letter-spacing:.01em;
  margin-bottom:18px;
  background:linear-gradient(100deg,#f8fafc 12%,#22c55e 58%,#06b6d4 96%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:#a8b6c9;font-size:16px;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn{
  display:inline-block;padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:.28s;border:1px solid transparent;
}
.btn-primary{background:linear-gradient(120deg,#22c55e,#06b6d4);color:#04140c;box-shadow:0 0 24px rgba(34,197,94,.42)}
.btn-primary:hover{box-shadow:0 0 36px rgba(6,182,212,.62);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(6,182,212,.55);color:#a5f3fc;background:rgba(6,182,212,.06)}
.btn-ghost:hover{background:rgba(6,182,212,.15);border-color:rgba(34,197,94,.72)}
.hero-visual{
  border-radius:22px;overflow:hidden;
  border:1px solid rgba(34,197,94,.34);
  box-shadow:0 0 46px rgba(6,182,212,.24);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}

/* GEO */
#geo-intro .geo-box{padding:34px}
#geo-intro h3{font-size:16px;color:#22c55e;letter-spacing:.08em;margin:0 0 6px}
#geo-intro .geo-block{margin-bottom:20px}
#geo-intro .geo-block:last-child{margin-bottom:0}
#geo-intro p{color:#b6c3d4;font-size:15px}

/* 网格 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

/* 品牌矩阵 */
.brand-card h3{font-size:17px;margin-bottom:8px;color:#f1f5f9}
.brand-card .tag{font-size:11px;letter-spacing:.18em;color:#06b6d4;text-transform:uppercase;display:block;margin-bottom:10px}
.brand-card p{font-size:14px;color:#94a3b8}
.brand-img{margin-bottom:20px;border-radius:16px;overflow:hidden;border:1px solid rgba(6,182,212,.3)}
.brand-img img{width:100%;height:220px;object-fit:cover}

/* 优势 */
.adv-icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(34,197,94,.24),rgba(6,182,212,.24));
  border:1px solid rgba(34,197,94,.42);color:#22c55e;font-weight:700;font-size:14px;margin-bottom:14px;
}
.adv-card h3{font-size:16px;margin-bottom:8px}
.adv-card p{font-size:14px;color:#94a3b8}

/* 数据 */
.stat{text-align:center;padding:28px 18px}
.stat .num{
  font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:.01em;
  background:linear-gradient(120deg,#22c55e,#06b6d4);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .lbl{font-size:13px;color:#94a3b8;margin-top:6px}

/* 新闻 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.news-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;color:#f1f5f9}
.news-date{
  display:inline-block;font-size:12px;color:#22c55e;letter-spacing:.1em;
  border:1px solid rgba(34,197,94,.4);border-radius:999px;padding:2px 12px;margin-bottom:12px;
  background:rgba(34,197,94,.07);
}
.news-card p{font-size:14px;color:#9fadc0}

/* FAQ */
#faq .faq-item{
  border-radius:16px;padding:22px 24px;margin-bottom:16px;
  background:linear-gradient(#101d34,#101d34) padding-box,
             linear-gradient(135deg,rgba(6,182,212,.55),rgba(34,197,94,.55)) border-box;
  border:1px solid transparent;
}
#faq h3{font-size:16px;color:#e2e8f0;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start}
#faq h3 .q-mark{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;font-size:12px;
  display:flex;align-items:center;justify-content:center;margin-top:3px;
  background:linear-gradient(135deg,#22c55e,#06b6d4);color:#04140c;font-weight:800;
}
#faq p{font-size:14px;color:#9fadc0;padding-left:34px}

/* 会员/联系 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.media-frame{border-radius:20px;overflow:hidden;border:1px solid rgba(34,197,94,.34);box-shadow:0 0 40px rgba(6,182,212,.2)}
.media-frame img{width:100%;height:100%;object-fit:cover}
.list-check{list-style:none;margin-top:18px}
.list-check li{font-size:14px;color:#a8b6c9;padding-left:24px;position:relative;margin-bottom:10px}
.list-check li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;
  background:linear-gradient(135deg,#22c55e,#06b6d4);box-shadow:0 0 10px rgba(34,197,94,.8);
}
.contact-line{font-size:14px;color:#a8b6c9;margin-bottom:10px}
.contact-line b{color:#e2e8f0;font-weight:600}

/* CTA */
#cta .cta-box{
  text-align:center;padding:52px 30px;border-radius:24px;
  background:linear-gradient(#101d34,#101d34) padding-box,
             linear-gradient(135deg,rgba(34,197,94,.85),rgba(6,182,212,.85)) border-box;
  border:1px solid transparent;box-shadow:0 0 52px rgba(34,197,94,.16);
}
#cta h2{margin-bottom:14px}
#cta p{color:#94a3b8;max-width:680px;margin:0 auto 26px;font-size:15px}

/* 合作伙伴 */
.partner-chip{
  padding:16px 12px;text-align:center;border-radius:14px;font-size:14px;color:#cbd5e1;
  background:rgba(6,182,212,.07);border:1px solid rgba(6,182,212,.3);transition:.25s;
}
.partner-chip:hover{border-color:rgba(34,197,94,.7);background:rgba(34,197,94,.1);color:#f1f5f9}

/* 页脚 */
footer{
  border-top:1px solid rgba(34,197,94,.22);
  background:rgba(8,14,26,.86);
  padding:52px 0 28px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:34px;margin-bottom:34px}
.footer-grid h4{font-size:14px;letter-spacing:.1em;color:#22c55e;margin-bottom:14px}
.footer-grid p,.footer-grid li{font-size:13.5px;color:#94a3b8;margin-bottom:8px;list-style:none}
.footer-grid a:hover{color:#22c55e}
.footer-bottom{
  border-top:1px solid rgba(6,182,212,.18);padding-top:20px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#7c8ba1;
}
.footer-bottom a{color:#a5f3fc}
.footer-bottom a:hover{color:#22c55e}

@media(max-width:960px){
  .hero-grid,.grid-3,.grid-4,.grid-2,.news-grid,.split,.footer-grid{grid-template-columns:1fr}
  .hero-visual{order:-1}
  section{padding:54px 0}
}